Home / 2,818.12-3,886.66-2,062.84

Finding the Fourth Proportional to 2,818.12, 3,886.66 and 2,062.84

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Solution

The fourth proportional to 2,818.12, 3,886.66 and 2,062.84 is: 2,845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.12 : 3,886.66 = 2,062.84 : x
  2. Step 2: Convert to fraction form
    2,818.12/3,886.66 = 2,062.84/x
  3. Step 3: Cross multiply
    2,818.12x = 3,886.66 × 2,062.84
  4. Step 4: Simplify right side
    2,818.12x = 8,017,557.71
  5. Step 5: Solve for x
    x = 8,017,557.71/2,818.12
  6. Step 6: Final answer
    x = 2,845.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.